-3(-6u+3)-7u=3(u-6)-3

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Solution for -3(-6u+3)-7u=3(u-6)-3 equation:


Simplifying
-3(-6u + 3) + -7u = 3(u + -6) + -3

Reorder the terms:
-3(3 + -6u) + -7u = 3(u + -6) + -3
(3 * -3 + -6u * -3) + -7u = 3(u + -6) + -3
(-9 + 18u) + -7u = 3(u + -6) + -3

Combine like terms: 18u + -7u = 11u
-9 + 11u = 3(u + -6) + -3

Reorder the terms:
-9 + 11u = 3(-6 + u) + -3
-9 + 11u = (-6 * 3 + u * 3) + -3
-9 + 11u = (-18 + 3u) + -3

Reorder the terms:
-9 + 11u = -18 + -3 + 3u

Combine like terms: -18 + -3 = -21
-9 + 11u = -21 + 3u

Solving
-9 + 11u = -21 + 3u

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '-3u' to each side of the equation.
-9 + 11u + -3u = -21 + 3u + -3u

Combine like terms: 11u + -3u = 8u
-9 + 8u = -21 + 3u + -3u

Combine like terms: 3u + -3u = 0
-9 + 8u = -21 + 0
-9 + 8u = -21

Add '9' to each side of the equation.
-9 + 9 + 8u = -21 + 9

Combine like terms: -9 + 9 = 0
0 + 8u = -21 + 9
8u = -21 + 9

Combine like terms: -21 + 9 = -12
8u = -12

Divide each side by '8'.
u = -1.5

Simplifying
u = -1.5

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